Jamie M Posted April 17, 2021 Report Share Posted April 17, 2021 Hi there , ive had 2 issues with my car. 1st issue was ign 1 and 2 switched making it not start, so i just simply switch the plugs around... Now when cranking the relay that powers the coils drops to 7.5v and the relay that powers injectors drops to 0v but both relays have 12v in. Ive checked all relays, fuses and have checked the resistance on everything and am at a loss to what is causing this.. Any thoughts most appreciated. Cheers Jamie. Quote Link to comment Share on other sites More sharing options...
Adamw Posted April 17, 2021 Report Share Posted April 17, 2021 What engine and what trigger setting? If ignition sequence has changed it suggests the trigger sync point has changed. For your relays, the normal way to test something like that is to put a jumper wire in place of the relay. Quote Link to comment Share on other sites More sharing options...
Jamie M Posted April 18, 2021 Author Report Share Posted April 18, 2021 Engine is a 4agze with the standard waste spark coils. Trigger setup is Multi-tooth and priority is trig 2, which from what ur saying then should be trig 1?? Quote Link to comment Share on other sites More sharing options...
Adamw Posted April 18, 2021 Report Share Posted April 18, 2021 The priority would usually have a big affect. What caused the change? has anything been apart? What ecu do you have? Quote Link to comment Share on other sites More sharing options...
Jamie M Posted April 18, 2021 Author Report Share Posted April 18, 2021 Nothing had been apart. I had been installing a switch for launch control and my laptop tied while connected to the ecu, after that is when the issues started, don't no if that can mess with anything?? I have a Link G4 storm. Quote Link to comment Share on other sites More sharing options...
Adamw Posted April 18, 2021 Report Share Posted April 18, 2021 You will need to get it running and get a timing light on it to confirm ignition timing. I cant think of any logical reason why the timing would change by 180deg except for a problem with the trigger. Quote Link to comment Share on other sites More sharing options...
Jamie M Posted April 18, 2021 Author Report Share Posted April 18, 2021 Could something of shorted out, causing the ecu to flip the timing?? Quote Link to comment Share on other sites More sharing options...
Adamw Posted April 18, 2021 Report Share Posted April 18, 2021 Shorting it out would cause it to power down so if there were any unstored changes you would lose them but thats about all. Quote Link to comment Share on other sites More sharing options...
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